I agree with every post on here.
1. The guillotines require extreme practice and they are only good out to 20 yards. Does not fly like your regular broadhead setup.
2. You want the broadhead to do as much damage in the bird as possible. The turkey will sometimes fly great distances so you want that bird to stay on the ground.
3. There are several broadheads that I believe is good but if you do not want to spends another $30-$35 for additional broadheads for turkey, the washers listed ,
http://www.neet.com/products/accessories.html#
will do the trick. Around $7-$8
4. Follow the target instructions by
Hurricanespg
Great illustration. And also patiience, self control and determination.